复古半色调丝网印侧影海报

{
  "task": "将参考照片或知名人物转化为复古半色调粗线条海报艺术风格肖像插画。",
  "input": {
    "subject_name": "[简·多伊]",
    "reference_image": "the reference photo",
    "instruction": "准确还原人物面部轮廓与特征，转化为鲜明的图形化海报艺术。"
  },
  "output_exclusions": [
    "严禁包含任何原始参考照片的缩略图、圆角浮窗或对比贴图——仅输出纯插画海报。"
  ],
  "art_style": {
    "medium": "模拟丝网印刷/胶印平版印刷风格的数字插画",
    "influences": [
      "20世纪60-70年代复古抗议宣传海报艺术",
      "模板网印风格图形插画",
      "孔版印刷（Risograph）质感",
      "复古杂志封面及摇滚音乐会海报设计"
    ],
    "line_work": "高对比度墨线描边，结合精细排线（Cross-hatching）与点描阴影，发丝纹理分明",
    "rendering": "色块平涂与版画风格细线刻画结合，杜绝写实渐变、气刷柔化或平滑过渡"
  },
  "composition": {
    "pose": "头部与胸口呈严格90度正侧面朝左，视线平视前方，下巴微昂，自信沉稳的神态",
    "framing": "竖版构图，人物占据画面高度的70-85%，胸部以上剪裁",
    "focal_backdrop": "头部后方居中的纯色大圆轮廓（占画面宽度60-70%），发丝与轮廓局部重叠出框",
    "hair_treatment": "充满细节的动感发流，利用高对比墨线与镂空高光体现体积感与流向"
  },
  "background": {
    "base_texture": "粗糙复古亚麻纸张底纹低透明度覆盖全幅",
    "layout": "圆形背景周边的非对称几何色块拼接与局部半色调网点图案",
    "grain": "微细的传统胶印颗粒杂色与可见的网点肌理"
  },
  "color_palette": {
    "background_base": "温暖米白怀旧纸色 (#e8dcc4)",
    "accent_circle": "醒目海报正红 (#c1272d)",
    "linework_and_shadow": "浓黑墨色 (#1a1512)",
    "highlights": "同底色的米白留白高光"
  },
  "typography": {
    "headline": {
      "content": "[JANE DOE]",
      "placement": "海报左上角内衬留白处",
      "font_style": "特粗紧缩无衬线或粗黑体，全大写，紧凑字距，1-2行排版",
      "color": "墨黑色"
    },
    "subheadline": {
      "content": "[VISIONARY LEADER]",
      "placement": "主标题正下方",
      "font_style": "粗紧缩无衬线体，全大写，单行",
      "color": "海报正红色"
    }
  },
  "lighting": {
    "style": "单一强侧光照射，形成锋利硬朗的几何阴影面",
    "shadow_rendering": "完全由排线、交错线条与半色调网点疏密构建阴影"
  }
}